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Protecting Zonk , 2198 from Live Archive

Posted: Tue Feb 06, 2007 9:44 pm
by sonyckson
Hello!!..
Im trying to solve this problem from Dhaka 2006/2007:
http://acmicpc-live-archive.uva.es/nuev ... php?p=2198
I ve been thincking how to face it , but i cant figure out any good idea... could anyone give me a hint?? or some idea?? Thanks!
sony

Posted: Fri Feb 09, 2007 10:18 am
by Kevin